Interlocking masonry block



FIG. 1 is a perspective view showing a design for an interlocking masonry block on a smaller scale than FIG. 2 through FIG. 7;

FIG. 2 is a front view of a design for an interlocking masonry block;

FIG. 3 is a back view of a design for an interlocking masonry block;

FIG. 4 is a right side view of a design for an interlocking masonry block;

FIG. 5 is a left side view of a design for an interlocking masonry block;

FIG. 6 is a top view of a design for an interlocking masonry block; and,

FIG. 7 is a bottom view of a design for an interlocking masonry block.

The broken lines in the drawing views are included for the purpose of illustrating portions of the interlocking masonry block that form no part of the claimed design. 

The ornamental design for an interlocking masonry block, as shown and described. 